Global Weather

How do hurricanes start?

• After an earthquake occurrence
• Evaporation of warm sea water
• Hot air rising from a land mass
• Burning of greenhouse gases

In which direction do prevailing westerlies flow?

• from east to west
• from west to east
• from north to south
• from south to north

An instrument used to show the direction of wind and measure the speed

• rain guage

• Thermometer

• barometer

• wind vane

The tendency for objects to move to the right in the Northern Hemisphere and the to the left in the Southern Hemisphere is due to the:

• Eckman's spiral
• Coriolis effect
• Westerlies
• Gyres

What impact does the Gulf Stream have on North Carolina’s coastal climate?

• The cold water from the Gulf Stream current cools the land.
• The warm water from the Gulf Stream current warms the land.
• The warm water from the Gulf Stream current decreases inland wind speeds.
• The warm water from the Gulf Stream increases inland wind speeds.

Why would residents along the coast of North Carolina most likely be concerned about a strong La Niña event in August?

• La Nina returns every 2-7 years
• La Nina can mean a decrease in winter precipitation 
• La Nina can mean an active hurricane season
• La Nina is associated with very warm ocean temperatures

Which causes North Carolina to experience an increase in winter precipitation?

• La Nina
• El Nino
• Trade Winds
• Prevailing Westerlies

Which best explains how El Niño affects the jet stream?

• The jet stream is pushed north and results in increased precipitation.
• The jet stream is pushed south and results in increased precipitation
• The jet stream is pushed north and results in decreased precipitation.
• The jet stream is pushed south and results in decreased precipitation.

 Which weather conditions are associated with El Niño?

• increased temperature, increased precipitation 
• decreased temperature, increased precipitation 
• increased tempeature, decreased precipitation 
• decreased temperature, decreased precipitation 

How will warm waters moving up from the Gulf Stream most likely affect the local weather conditions on a North Carolina beach?

• The sea breeze will increase in temperature
• The sea breeze will decrease in temperature.
• The land breeze will increase in temperature.
• The land breeze will decrease in temperature